SHELTERS INFLUENCE IN DUSKY GROUPER CULTURE

Author(s)

de Oliveira, Nayara Yoshimini ^{[1, 2]} ; de Sousa, Otavio Mesquita ^{[1, 2]} ; Kuhnen, Vanessa Villanova ^[1] ; Sanches, Eduardo Gomes ^[1]

Affiliation

^[1] Inst Pesca, APTA, Secretaria Agr & Abastecimento, Governo Estado Sao Paulo, Rua Joaquim Lauro Monte Claro Neto 2275, BR-11680000 Ubatuba, SP - Brazil

^[2] Inst Pesca, Posgrad Aquicultura & Pesca, Av Francisco Matarazzo 455, BR-05001900 Sao Paulo, SP - Brazil

• Document type: Journal article
• Source: BOLETIM DO INSTITUTO DE PESCA; v. 45, n. 3 2019.
• Web of Science Citations: 0

Abstract

Environmental enrichment can be an important tool to improve the productive performance of dusky grouper Epinephelus marginatus (Lowe, 1834). The goal of this study was to evaluate the preference for shelters and the effect of the availability of shelters on the productive performance of dusky groupers juveniles in salt water recirculation system. Two trials were conducted, the first one to determine the preference for different types of shelters (rocks, bricks and PVC pipes of different colors) and the second one on the use of shelters, with three treatments (T1 = without shelter; T2 = one shelter per fish and T3 = two shelters per fish). The dusky grouper showed preference for shelters of PVC tubes of brown color. The use of shelters favored better productive performance of the species in salt water recirculation systems. (AU)

• FAPESP's process: 14/07886-7 - Feeding strategies for rearing of dusky grouper Epinephelus marginatus in recirculation aquatic system (ras)
• Grantee: Eduardo Gomes Sanches
• Support Opportunities: Regular Research Grants